Research On The Served Layer Of IP Multimedia Subsystem Based On Optical Fiber Transmit Signals

IMS(IP Multimedia Subsystem)is the first time that the 3GPP(3rd Generation Partnership Project)organization in the R5 version can support IP multimedia services,it is independent of the access module,and based on IP protocol,using Session Initiation Protocol(Session Initiation Protocol)for session control,the business layer and control layer are separated from each other,and provide a series of interfaces to provide services between terminals for the future of the most promising mobile control platform.IMS can be a wide range of Internet services into the mobile communications core network,to the development of new services to provide a convenient.Now the research has been the next generation network(NGN)and IMS integration,the standard has been almost mature.Now the major network equipment manufacturers in the world have many successful deployment of the example,and can serve a number of practical commercial network.Optical fiber communication system is one of the core support systems of the modern Internet age,which can be the best bearer of IMS.Firstly,the development of the key technology of optical fiber communication system is summarized,Combined with these challenges and opportunities,from the overall network architecture of optical fiber communication,metro network technology,access network technology and other aspects to comprehensively elaborate the development trend of optical fiber communication system to more effectively for the future of the Internet,IMS network Strong technical support.IMS instant messaging service(IM)and status server(presence server,referred to as PS)can be said that all the business base is the IMS deployment stage is very important to the two major business,the paper using JAVAEE technology in-depth study The realization of these two business server-side.The main contents are as follows:Firstly,the situation of IMS network business layer is analyzed,and then the main process of IM business and Presence service is analyzed and summarized.Then the main features of JAVAEE technology and its main role in the server are introduced.And according to the two business messaging process,with SIP Servlet with a series of technologies to achieve the IM business and Presence business core functions.